Welcome to 2nd Hand Land JP! As the product is an old item, there may be scratches and stains from age. (case, inside unit, spring and flint). You will need to assemble by yourself. If you have any questions regarding the condition, accessories, or any concerns about the product, please feel free to message us! We’re happy to help! If the product contains explosive materials, we are required to remove them. (Please don’t worry, we will contact you if necessary). We appreciate your understanding. We’re happy to assist you! Return is allowed when the condition does not match the description. We take detailed pictures of all items to prevent any issues. Thank you for visiting my page! Please note that not all of our items are listed. If you’re looking for a specific item, please don’t hesitate to let us know. We’ll be glad to assist you!